.header{
    height:3rem;
    background-color: #d5d5d5;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.read-main{
    background-color: #f5f5f5;
    text-indent: 2rem;
    line-height: 2.2rem;
    font-size: 1.2rem;
    width: 95%;
}
.chapter{
    width: 95%;
    display: flex;
    margin-left: 0.7rem;
    flex-flow: column nowrap;
}